Car-bolster



(No Model.)

C. T. SCHOEN. GAR BOLSTBVR. No. 537.',076. y Patented Apr. 9, 1895.

UNrTn` @frases CHBLES T. SCHOEN, OF ALLEGHENYQPENNSYLVANIA.

oAR-BoLsTl-:a

SPECIFICATION forming part of Letters Patent No. 537,076,'dated April 9,1895. Application led October 23, 18.94. Serial No. 526,742. (No model.)

To LZ Z,wZ1.0m it may concern.-

Be 1t known that I, CHARLES T. SCHonN, a

Y citizen of the United States, residing atAllegheny, in the county ofAllegheny and State of Pennsylvania, have invented a certain new anduseful Improvement in Bolsters or Transoms, of which the following isafull, clear,

and exact description.

The object of this invention is to produce from sheet or plate metal,preferably soft steel, -by pressing or otherwise, bolsters or transomsfor railway cars and the like. l

In practice, I have found that bolsters hav ing straight sides are ofbarely sufficient rigidity and stiffness to resist the strains incurredunder all ordinary circumstances, and very seldom or never capable ofresisting such vstrains under extraordinary conditions; and

in a built-up or composite bolster constructed of two main pieces unitedby tie-pieces, there are necessarily many rivet holes and rivetsemployed, themselves being elements of weakness in the structure; andthe rivets having to be applied hot, additional cost of material thoseof Wood, and also to admit of the use of steel holsters orv transoms onthe ordinary MasterCarBuildersstandarddiamond-frame trucks,fl providefor the variations in height at the points where the center-bearingplate is applied and where the spring-plates arensed, by building upthese point-s with added` pieces of metal. Now, with these facts inmind, my invention maybe stated to consist of a pressed steel bolster ortransom formed integrally with a solid dat face, side lianges andreturnanges at their edges, the sideA flanges being widest atthe centerof the bolster and 'decreasing in width toward both ends Yof thebolster, and pressed steel spacing plates disposed at'points thereonnecessary to my invention as applied to a ytruck bolster or A transomfor railway cars, in the several tigures of which drawings like partsare similarly designated, Figure l is a side elevation.

Fig. 2 is a top plan view. Fig; vSis a cross-` section at 3-3. Fig. 4tis a crosssection at 4-4, and Fig. 5 is an elevation at the end.

As shownvmost clearlyin Figs. 4 and 5, the

truck bolster or transom is iliade with a flat bearing surface,n face ortop a, side flanges b, which are widest at the point of greatest `naryas ordinary strain. The return flanges c extend, by preference, from endto end. A bolster or transom thus constructed has been demonstrated tomeet practically all the requirements of the strainsto which it issubjected in use.

The several parts ofthe body being integral,

admitnot only of. its being produced economically and quickly by thepresent well-known methods of pressing steel plates, but in additioninsures a homogeniety in the article which greatly augments itsendurance or capacity.

Wooden holsters are cutaway at their ends Y holsters with such woodenbolsters, or to adapt them to diamond frames, I provide for variationsin height by building up the holsters at the desired point or points bythe addition of metal spacing plates of the proper height. Such platesare shown at d for the centerbearing plates, and at e,e, forthe'springplates, the said spring plates themselves not beingshown. Thespacingplates d are made with end flanges d', by means of which they maybe riveted or otherwise fastened to the body, and with an interveningelevated seat d? to receivethe center-bearing f, and this elevated seatis provided with a central transverse depressi-on cl3 to stiften it andto admit IOD e for fastening them to the return'anges c,-

and with the elevated seat e2, the edges of which may be provided withpocketses, o r a transverse depression, sllch as that designated d3 inthe plates d, to recevefastening devises.

The plates d and e are mmade by pressing np.

the same from flat, steel plate. t

Holster solemn-guide plates it are shown as of the consti-notion setforth in `my Ytannini rent patent, No. 529,809, granted November 27,isnt.

Asalready indicated, holsters ortransoins may be oonstrueted inaeeordanee with this invention by pressing 'them np from steel er otherplate instal, in e veryeeonomieal manner, and such beams possess great'strength 'or endurance in meeting 'beth eompreesi've and tensilestrains.` g

I do not limit my invention to bblsteis or transoins fon trucks, forobviensly ii .may he usediior bodies as Well.

1. As an improved arti-oie of manufacture,

s pressed steel bolster or transom having an integral solid, tlat face,side flanges and return ilanges at their edges, the side flanges beingWidest at the center of the bolster or transom and decreasing in widthtoward b'oth ends of the bolster or transom, and applied pressed steelspacing plates arranged upon such bolster or transom at points thereonrequired to be built up to arbitrary standard heights, substantially asdescribed.

2. A metal bolster or transom, combined with spacing-plates having endlian ges and an intermediate transverse depression, and applied to thebolster or transom to gain propel' elevations on the said bolster ortransom for the application ofusual appurtenances, substantially asdescribed.

3. The spacing-'plate herein described,hav ing end iianges, a eentraidepression and an intervening relavated l'seat, and adapted for jnse finbending nip bolstersoitransoms and 4the like tor 'the reception oi thecenter-bearing plate and the spring-plates, substantially as specified.p l p 4. The combination ol? the bolster or transom, a een-traispacing-plate, a center-bearing plate applied to enen spaeingplate andend spacing=platesior the reoeption `of the springlares, the severalspaeingplates having end anges, a eentral depression and anintermediateelevareu seat, substantiallyas described. intestiinoilyivlleieoi I have hereunto set nl'y hand 4this 13th day ofOetober, A. D. 1894.

n CHARLES T. SCHON. Witnesses:

Wie H. serions, sr., Jenn Meneses.

